1 /* SPDX-License-Identifier: GPL-2.0 */
2 /* Copyright (c)  2018 Intel Corporation */
3 
4 #ifndef _IGC_HW_H_
5 #define _IGC_HW_H_
6 
7 #include <linux/types.h>
8 #include <linux/if_ether.h>
9 #include <linux/netdevice.h>
10 
11 #include "igc_regs.h"
12 #include "igc_defines.h"
13 #include "igc_mac.h"
14 #include "igc_phy.h"
15 #include "igc_nvm.h"
16 #include "igc_i225.h"
17 #include "igc_base.h"
18 
19 #define IGC_DEV_ID_I225_LM			0x15F2
20 #define IGC_DEV_ID_I225_V			0x15F3
21 #define IGC_DEV_ID_I225_I			0x15F8
22 #define IGC_DEV_ID_I220_V			0x15F7
23 #define IGC_DEV_ID_I225_K			0x3100
24 #define IGC_DEV_ID_I225_K2			0x3101
25 #define IGC_DEV_ID_I225_LMVP			0x5502
26 #define IGC_DEV_ID_I225_IT			0x0D9F
27 #define IGC_DEV_ID_I225_BLANK_NVM		0x15FD
28 
29 /* Function pointers for the MAC. */
30 struct igc_mac_operations {
31 	s32 (*check_for_link)(struct igc_hw *hw);
32 	s32 (*reset_hw)(struct igc_hw *hw);
33 	s32 (*init_hw)(struct igc_hw *hw);
34 	s32 (*setup_physical_interface)(struct igc_hw *hw);
35 	void (*rar_set)(struct igc_hw *hw, u8 *address, u32 index);
36 	s32 (*read_mac_addr)(struct igc_hw *hw);
37 	s32 (*get_speed_and_duplex)(struct igc_hw *hw, u16 *speed,
38 				    u16 *duplex);
39 	s32 (*acquire_swfw_sync)(struct igc_hw *hw, u16 mask);
40 	void (*release_swfw_sync)(struct igc_hw *hw, u16 mask);
41 };
42 
43 enum igc_mac_type {
44 	igc_undefined = 0,
45 	igc_i225,
46 	igc_num_macs  /* List is 1-based, so subtract 1 for true count. */
47 };
48 
49 enum igc_phy_type {
50 	igc_phy_unknown = 0,
51 	igc_phy_none,
52 	igc_phy_i225,
53 };
54 
55 enum igc_media_type {
56 	igc_media_type_unknown = 0,
57 	igc_media_type_copper = 1,
58 	igc_num_media_types
59 };
60 
61 enum igc_nvm_type {
62 	igc_nvm_unknown = 0,
63 	igc_nvm_eeprom_spi,
64 	igc_nvm_flash_hw,
65 	igc_nvm_invm,
66 };
67 
68 struct igc_info {
69 	s32 (*get_invariants)(struct igc_hw *hw);
70 	struct igc_mac_operations *mac_ops;
71 	const struct igc_phy_operations *phy_ops;
72 	struct igc_nvm_operations *nvm_ops;
73 };
74 
75 extern const struct igc_info igc_base_info;
76 
77 struct igc_mac_info {
78 	struct igc_mac_operations ops;
79 
80 	u8 addr[ETH_ALEN];
81 	u8 perm_addr[ETH_ALEN];
82 
83 	enum igc_mac_type type;
84 
85 	u32 collision_delta;
86 	u32 ledctl_default;
87 	u32 ledctl_mode1;
88 	u32 ledctl_mode2;
89 	u32 mc_filter_type;
90 	u32 tx_packet_delta;
91 	u32 txcw;
92 
93 	u16 mta_reg_count;
94 	u16 uta_reg_count;
95 
96 	u32 mta_shadow[MAX_MTA_REG];
97 	u16 rar_entry_count;
98 
99 	u8 forced_speed_duplex;
100 
101 	bool adaptive_ifs;
102 	bool has_fwsm;
103 	bool asf_firmware_present;
104 	bool arc_subsystem_valid;
105 
106 	bool autoneg;
107 	bool autoneg_failed;
108 	bool get_link_status;
109 };
110 
111 struct igc_nvm_operations {
112 	s32 (*acquire)(struct igc_hw *hw);
113 	s32 (*read)(struct igc_hw *hw, u16 offset, u16 i, u16 *data);
114 	void (*release)(struct igc_hw *hw);
115 	s32 (*write)(struct igc_hw *hw, u16 offset, u16 i, u16 *data);
116 	s32 (*update)(struct igc_hw *hw);
117 	s32 (*validate)(struct igc_hw *hw);
118 	s32 (*valid_led_default)(struct igc_hw *hw, u16 *data);
119 };
120 
121 struct igc_phy_operations {
122 	s32 (*acquire)(struct igc_hw *hw);
123 	s32 (*check_reset_block)(struct igc_hw *hw);
124 	s32 (*force_speed_duplex)(struct igc_hw *hw);
125 	s32 (*get_phy_info)(struct igc_hw *hw);
126 	s32 (*read_reg)(struct igc_hw *hw, u32 address, u16 *data);
127 	void (*release)(struct igc_hw *hw);
128 	s32 (*reset)(struct igc_hw *hw);
129 	s32 (*write_reg)(struct igc_hw *hw, u32 address, u16 data);
130 };
131 
132 struct igc_nvm_info {
133 	struct igc_nvm_operations ops;
134 	enum igc_nvm_type type;
135 
136 	u32 flash_bank_size;
137 	u32 flash_base_addr;
138 
139 	u16 word_size;
140 	u16 delay_usec;
141 	u16 address_bits;
142 	u16 opcode_bits;
143 	u16 page_size;
144 };
145 
146 struct igc_phy_info {
147 	struct igc_phy_operations ops;
148 
149 	enum igc_phy_type type;
150 
151 	u32 addr;
152 	u32 id;
153 	u32 reset_delay_us; /* in usec */
154 	u32 revision;
155 
156 	enum igc_media_type media_type;
157 
158 	u16 autoneg_advertised;
159 	u16 autoneg_mask;
160 
161 	u8 mdix;
162 
163 	bool is_mdix;
164 	bool reset_disable;
165 	bool speed_downgraded;
166 	bool autoneg_wait_to_complete;
167 };
168 
169 struct igc_bus_info {
170 	u16 func;
171 	u16 pci_cmd_word;
172 };
173 
174 enum igc_fc_mode {
175 	igc_fc_none = 0,
176 	igc_fc_rx_pause,
177 	igc_fc_tx_pause,
178 	igc_fc_full,
179 	igc_fc_default = 0xFF
180 };
181 
182 struct igc_fc_info {
183 	u32 high_water;     /* Flow control high-water mark */
184 	u32 low_water;      /* Flow control low-water mark */
185 	u16 pause_time;     /* Flow control pause timer */
186 	bool send_xon;      /* Flow control send XON */
187 	bool strict_ieee;   /* Strict IEEE mode */
188 	enum igc_fc_mode current_mode; /* Type of flow control */
189 	enum igc_fc_mode requested_mode;
190 };
191 
192 struct igc_dev_spec_base {
193 	bool clear_semaphore_once;
194 };
195 
196 struct igc_hw {
197 	void *back;
198 
199 	u8 __iomem *hw_addr;
200 	unsigned long io_base;
201 
202 	struct igc_mac_info  mac;
203 	struct igc_fc_info   fc;
204 	struct igc_nvm_info  nvm;
205 	struct igc_phy_info  phy;
206 
207 	struct igc_bus_info bus;
208 
209 	union {
210 		struct igc_dev_spec_base	_base;
211 	} dev_spec;
212 
213 	u16 device_id;
214 	u16 subsystem_vendor_id;
215 	u16 subsystem_device_id;
216 	u16 vendor_id;
217 
218 	u8 revision_id;
219 };
220 
221 /* Statistics counters collected by the MAC */
222 struct igc_hw_stats {
223 	u64 crcerrs;
224 	u64 algnerrc;
225 	u64 symerrs;
226 	u64 rxerrc;
227 	u64 mpc;
228 	u64 scc;
229 	u64 ecol;
230 	u64 mcc;
231 	u64 latecol;
232 	u64 colc;
233 	u64 dc;
234 	u64 tncrs;
235 	u64 sec;
236 	u64 cexterr;
237 	u64 rlec;
238 	u64 xonrxc;
239 	u64 xontxc;
240 	u64 xoffrxc;
241 	u64 xofftxc;
242 	u64 fcruc;
243 	u64 prc64;
244 	u64 prc127;
245 	u64 prc255;
246 	u64 prc511;
247 	u64 prc1023;
248 	u64 prc1522;
249 	u64 gprc;
250 	u64 bprc;
251 	u64 mprc;
252 	u64 gptc;
253 	u64 gorc;
254 	u64 gotc;
255 	u64 rnbc;
256 	u64 ruc;
257 	u64 rfc;
258 	u64 roc;
259 	u64 rjc;
260 	u64 mgprc;
261 	u64 mgpdc;
262 	u64 mgptc;
263 	u64 tor;
264 	u64 tot;
265 	u64 tpr;
266 	u64 tpt;
267 	u64 ptc64;
268 	u64 ptc127;
269 	u64 ptc255;
270 	u64 ptc511;
271 	u64 ptc1023;
272 	u64 ptc1522;
273 	u64 mptc;
274 	u64 bptc;
275 	u64 tsctc;
276 	u64 tsctfc;
277 	u64 iac;
278 	u64 icrxptc;
279 	u64 icrxatc;
280 	u64 ictxptc;
281 	u64 ictxatc;
282 	u64 ictxqec;
283 	u64 ictxqmtc;
284 	u64 icrxdmtc;
285 	u64 icrxoc;
286 	u64 cbtmpc;
287 	u64 htdpmc;
288 	u64 cbrdpc;
289 	u64 cbrmpc;
290 	u64 rpthc;
291 	u64 hgptc;
292 	u64 htcbdpc;
293 	u64 hgorc;
294 	u64 hgotc;
295 	u64 lenerrs;
296 	u64 scvpc;
297 	u64 hrmpc;
298 	u64 doosync;
299 	u64 o2bgptc;
300 	u64 o2bspc;
301 	u64 b2ospc;
302 	u64 b2ogprc;
303 };
304 
305 struct net_device *igc_get_hw_dev(struct igc_hw *hw);
306 #define hw_dbg(format, arg...) \
307 	netdev_dbg(igc_get_hw_dev(hw), format, ##arg)
308 
309 s32  igc_read_pcie_cap_reg(struct igc_hw *hw, u32 reg, u16 *value);
310 s32  igc_write_pcie_cap_reg(struct igc_hw *hw, u32 reg, u16 *value);
311 void igc_read_pci_cfg(struct igc_hw *hw, u32 reg, u16 *value);
312 void igc_write_pci_cfg(struct igc_hw *hw, u32 reg, u16 *value);
313 
314 #endif /* _IGC_HW_H_ */
315